Uta Hagen

Thoughts and feelings are suspended in a vacuum unless they instigate and feed the selected actions, and it is the characters actions which reveal the character in the play.

Theoretically, the actor ought to be more sound in mind and body than other people, since he learns to understand the psychological problems of human beings when putting his own passions, his loves, fears, and rages to work in the service of the characters he plays. He will learn to face himself, to hide nothing from himself- and to do so takes AN INSATIABLE CURIOSITY ABOUT THE HUMAN CONDITION

Once in awhile, there's stuff that makes me say, That's what theatre's about. It has to be a human event on the stage, and that doesn't happen very often.

If you want a bourgeois existence, you shouldn't be an actor. You're in the wrong profession.